Question

resolva em R : 2x-(x-1) = 5-(x-3)

Answer 1

Olá,

2x-(x-1) = 5-(x-3)
2x-x+1 = 5-x+3
x+1 = -x+8
x+x = 8-1
2x = 7
x = 7/2

Resposta:

x = 7/2

Answer 2

2x-(x-1) = 5-(x-3)

2x -x +1 = 5 - x + 3

2x -x + x = 5 + 3 -1

2x = 7

x = 7/2